*{
  padding: 0;
  margin: 0;
}
button{
  border: 0;
}
input{
  
	background:none;  
	outline:none;  
	border:0px;

}

.head{
  width: 100%;
  height: 70px;
  background-color: rgb(243, 243, 243);
}


.container{
  margin: 0 auto;
  width : 1038px;

}

.logoBox{
  display: flex;
  align-items: center;
  justify-content: space-around;
  width: 325px;
  height: 100%;
}

.logoimage{
  height: 40px;
  width: 40px;
}

.logoText{
  width: 151px;
  height: 27px;
}

.userBox{
  display: flex;
  align-items: center;
  height: 50px;
}
.userImage{
  width: 30px;
  height: 30px;
  background-color: skyblue;
  border-radius: 30px;
  overflow: hidden;
}
.userName{
  min-width: 120px;
  height: 30px;
  margin-left: 10px;
  line-height: 30px;
  font-weight: 900;
  color: rgb(140, 138, 138);

  font-size: 13px;
}

.backTocourse{
  cursor: pointer;
  width: 79px;
  height: 25px;
  background-color: rgb(208, 206, 206);
  border-radius: 25px;

  text-align: center;
  line-height: 25px;
  color: rgb(255, 254, 254);
  font-size: 13px;
}

.body{
  width: 100%;
  margin-top: 30px;
}

.courseMsg{
  width: 1038px;
  display: flex;
  justify-content: space-between;
  height: 300px;
  border: 1px solid rgb(224, 221, 221);
  box-sizing: border-box;
  padding: 20px;
}
.courseImage{
  width: 395px;
  height: 260px;
  background-color: skyblue;
}
.coursemsg{
  width:  530px;
  height: 300px;
  box-sizing: border-box;
  padding: 30px;
}
.courseName{
  width: 100%;
  height: 51px;
  font-size: 20px;
}

.coursePrice{

  margin-top: 37px;
  width: 100%;
  height: 20px;
  color: #919191;
  font-size: 14px;
}

.courseTeacher{
  margin-top: 50px;
  width: 100%;
  height: 20px;
  color: #919191;
  font-size: 14px;
}
.courseBuy,
.courseMessage{
  margin-top: 18px;
  float: right;
  width: 114px;
  height: 39px;
  background-color: rgb(32,190,166);
  text-align: center;
  line-height: 39px;
  color: white;
  border-radius: 5px;
  
}
.courseMessage{
  cursor: pointer;
  background-color: rgb(228, 225, 225);
  margin-right: 20px;
}

.xiangqiang{
  width: 100%;
  border: 1px solid rgb(224, 220, 220);
  border-radius: 5px;

  box-sizing: border-box;
  padding: 20px;
}

.xiangxi{
  margin-top: 20px;

}
.title{
  width: 79px;
  height: 27px;
  border-left: 7px solid rgb(15, 185, 15);
  line-height: 27px;
  text-align: center;
}

.courseIntro{
  margin-top: 30px;
  width: 100%;

  font-size: 14px;
  line-height: 30px;
  color: rgb(172, 171, 171);
}

.Msgboards{
  margin-top: 20px;
  width: 100%;

}
.messageItem{
  display: flex;
  width: 100%;

  

  box-sizing: border-box;
  padding: 20px 20px 20px 20px;

  border-bottom: 1px solid silver;
}

.messageUserimage{
  width: 35px;
  height: 35px;
  background-color: red;
  border-radius: 20px;
}
.message{
  flex: 1;
  margin-left: 13px;
}
.messageUsername{
  height: 35px;
  line-height: 35px;
  font-weight: bold;
  font-size: 14px;
  color: rgb(118, 117, 117);
}

.liulan{
  margin-top: 10px;
  font-size: 14px;
  color: rgb(144, 144, 144);
  line-height: 30px;
}
.myLiulan{
  display: flex;
  width: 100%;
  height: 50px;
  margin-bottom: 20px;
}
.userTouxiang{
  width: 40px;
  height: 40px;
  background-color: skyblue;
  border-radius: 20px;
}

.liuyanInput{
  height: 40px;
  width: 649px;
  margin-left: 30px;

  /* background-color: #e0dcdc; */
  padding-left: 20px;
  border: 1px solid rgb(224, 224, 224);
  
}

.submit{
  width: 70px;
  height: 40px;
  background-color: rgb(104, 212, 255);
  margin-left: 20px;

  text-align: center;
  line-height: 40px;
  color: white;
  font-weight: bold;
  border-radius: 5px;
}

.footer{
  margin-top: 20px;
  width: 100%;
  height: 400px;
  background-image: url(../image/Footer.png);
  background-size: 100% 100%;
}